EM-1523

Changing the subject of a formula

E Math · Secondary 4 · Hard · Changing the subject of a formula

It is given that

3(pq)^2-3pq=2pq+8

. Find

q

in terms of

p

.

$q=\dfrac{8}{3p}$ or $q=-\dfrac{1}{p}$
$q=\dfrac{2}{p}$ only
$q=\dfrac{4}{3p}$ or $q=-\dfrac{2}{p}$
$q=\dfrac{3p}{2}$ or $q=-\dfrac{3p}{4}$

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